struct _NODE_COMMAND {
	char **command_list;
	int size;
	struct _NODE_COMMAND *next;
};

struct _LINKED_LIST_COMMAND {
	struct _NODE_COMMAND *head;
	int size;
};

typedef struct _NODE_COMMAND * nodeCommand;
typedef struct _LINKED_LIST_COMMAND * listCommand;

listCommand createListCommand(void);
int prependNodeCommand(listCommand,char **, int);

